Form filling. Max Zs.

wessex over 5 years ago

I think this has been covered once before, but one of the current IET publications shows on the schedule of test results Max Zs as 1666 when protected by RCD (possibly RCBO as well) even when having a TN-C-S connection. I wondered what was the current opinion on this.

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0 wessex over 5 years ago

Thanks for the responses.

Current model forms have a column for max Zs and the publication is the current edition of the electricians guide to the building regulations.
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0 wessex over 5 years ago

Thanks for the responses.

Current model forms have a column for max Zs and the publication is the current edition of the electricians guide to the building regulations.
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Form filling. Max Zs.

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